If I’m reading you correctly, I would look at the auto trim. If pitch is out of trim it could cause the autopilot to “hunt” in pitch, if it gets too far out of trim the autopilot will disconnect. Just a thought as gear extension in my IV has a minimal trim change, flap extension somewhat more, but ...

I am beginning to wonder if it could be some sort of antenna interference? Maybe from the hydraulic pump running? I wonder how your antenna wires are running. The only thing wrong with my theory is that you can configure the plane yourself and then reengage auto pilot and it goes away, just some ra...

Seemingly unrelated troubles Lancair IV. New installation of dual G3X touch configured PFD/MFD, GMC507 autopilot, 2ea GSA28 AP servos. When on autopilot at 130kts, when I extend my landing gear, the airplane pitches down and loses 60’-80’, followed by a drastic pitch up to regain the altitude. Follo...

Hi All, My seats won’t slide far enough aft. I lose almost half of the space created by the door because the seat is right in the middle of the opening. This makes getting in and out of the airplane very difficult. When I fly it, I only move it two clicks forward of full aft. No human could possibly...